Black Box MT632A-SM23, Manual

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17
CHAPTER 3: Installation and Configuration
Transmit
Timing
Data
Rate
Async
Data
Format
(Word
Length)
Carrier
Loop
Activation
from the
DTE
Interface
(Loop
Control)
Determines sync clock
source or async mode
Determines data-
transmission rate
Determines the amount
of stop-bit shortening to
be used in async mode
Determines word length
in async mode (see
Appendix A)
Determines carrier—
constantly on, or
controlled by RTS
ANA
Determines DTE control
of analog loop
REM
Determines DTE control
of remote digital loop
1 2 3
ON OFF OFF
OFF OFF OFF
OFF OFF ON
OFF ON OFF
4
ON—56 Kbps
OFF—64 Kbps
5
ON—12.5%
OFF—25%
6 7 # of bits
OFF OFF 8
OFF ON 9
ON OFF 10
ON ON 11
8
ON—Constantly ON
OFF—Controlled
9
ON—Enable
OFF—Disable
10
ON—Enable
OFF—Disable
External
Internal
Receive
Async
64 Kbps
25%
10 bits
ON
Disable
Disable
Feature Function Possible DIP Switch Default
Settings Settings
Table 3-1. DIP-Switch Functions, Settings, and Defaults